package com.bite.book.controller;

import com.bite.book.constant.Constants;
import com.bite.book.enums.StatusEnum;
import com.bite.book.model.*;
import com.bite.book.service.BookService;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.awt.print.Book;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/book")
public class BookController {
    @Autowired
    private BookService bookService;

    @RequestMapping("/getListByPage")
    public Result<PageResult<BookInfo>> getListByPage(RequestPage requestPage, HttpSession session) {
        log.info("getListByPage 接收参数：{}",requestPage);
        //1.参数的校验/转换
        //判断用户是否登录

        PageResult<BookInfo> result = bookService.getListByPage(requestPage);
        return Result.success(result);
    }
    @RequestMapping("/addBook")
    public Boolean addBook(BookInfo bookInfo) {
        log.info("BookController.addBook 接收参数:{}",bookInfo);
        //1.参数校验
        if(!StringUtils.hasLength(bookInfo.getBookName())
            ||!StringUtils.hasLength(bookInfo.getAuthor())
            || bookInfo.getCount()==null
            || bookInfo.getPrice()==null
            || !StringUtils.hasLength(bookInfo.getPublish())) {
            log.warn("参数不正确");
            return false;
        }
        //2.操作数据库
        Integer result = bookService.addBook(bookInfo);
        if(result==0) {
            log.error("添加图书失败");
            return false;
        }
        //3.返回结果
        log.info("添加图书成功");
        return true;
    }

    /**
     * 根据ID获取图书信息
     * @param bookId
     * @return
     */
    @RequestMapping("/getBookInfo")
    public BookInfo getBookInfo(Integer bookId) {
        log.info("getBookInfo,bookId:{}",bookId);
        //需要看接口约定，当图书不存在的时候，返回null，还是返回空对象
        BookInfo bookInfo = bookService.getBookInfo(bookId);
        if(bookInfo==null) {
            return new BookInfo();
        }
        return bookInfo;
    }

    /**
     * 更新图书
     * @param bookInfo
     * @return
     */
    @RequestMapping("/updateBook")
    public Boolean updateBook(BookInfo bookInfo) {
        log.info("updateBook,bookInfoP:{}",bookInfo);
        if(bookInfo.getId()==null) {
            log.warn("Id不能为空");
            return false;
        }
        if(bookInfo.getBookName()!=null && "".equals(bookInfo.getBookName().trim())) {
            log.warn("图书名称不能为空");
            return false;
        }
        try{
            Integer result = bookService.updateBook(bookInfo);
            if(result>0) {
                return true;
            }
            return false;
        } catch (Exception e) {
            log.error("updateBook error,e: {}",e);
            return false;
        }
    }

    @RequestMapping("/deleteBook")
    public Boolean deleteBook(Integer bookId) {
        log.info("deleteBook,id:"+bookId);
        try{
            BookInfo bookInfo = new BookInfo();
            bookInfo.setId(bookId);
            bookInfo.setStatus(StatusEnum.DELETED.getCode());
            Integer result = bookService.updateBook(bookInfo);
            if(result>0) {
                return true;
            }
            return false;
        } catch (Exception e) {
            log.error("deleteBook error,e: {}",e);
            return false;
        }
    }
    @RequestMapping("/batchDelete")
    public Boolean batchDelete(@RequestParam List<Integer> ids) {
        log.info("batchDelete ids:{}",ids);
        if(ids==null||ids.size()==0) {
            //没有任何要删除的数据
            return true;
        }
        try {
            Integer result = bookService.batchDelete(ids);
            if(result >0) return true;
            return false;
        } catch (Exception e) {
            log.error("batchDelete error:",e);
            return false;
        }
    }

}
